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help.lua
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help.lua
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--[[
mattata v2.0 - Help Plugin
Displays help menus with inline keyboard navigation.
]]
local plugin = {}
plugin.name = 'help'
plugin.category = 'utility'
plugin.description = 'View bot help and command list'
plugin.commands = { 'help', 'start' }
plugin.help = '/help [command] - View help menu or get usage info for a specific command.'
plugin.permanent = true
local PER_PAGE = 10
local function get_page(items, page)
local start_idx = (page - 1) * PER_PAGE + 1
local end_idx = math.min(start_idx + PER_PAGE - 1, #items)
local result = {}
for i = start_idx, end_idx do
table.insert(result, items[i])
end
return result, math.ceil(#items / PER_PAGE)
end
local function format_help_list(help_items)
local lines = {}
for _, item in ipairs(help_items) do
local cmd = item.commands[1] and ('/' .. item.commands[1]) or ''
local desc = item.description or ''
table.insert(lines, string.format('%s %s - <em>%s</em>', '\xe2\x80\xa2', cmd, desc))
end
return table.concat(lines, '\n')
end
function plugin.on_message(api, message, ctx)
local tools = require('telegram-bot-lua.tools')
local loader = require('src.core.loader')
-- If argument given, show help for specific command
if message.args and message.args ~= '' then
local input = message.args:match('^/?(%w+)$')
if input then
local target = loader.get_by_command(input:lower())
if target and target.help then
return api.send_message(message.chat.id, 'Usage:\n' .. target.help .. '\n\nTo see all commands, send /help.')
end
return api.send_message(message.chat.id, 'No plugin found matching that command. Send /help to see all available commands.')
end
end
-- Show main help menu
local bot_name = ctx.config.bot_name()
local name = tools.escape_html(message.from.first_name)
local output = string.format(
'Hey %s! I\'m <b>%s</b>, a feature-rich Telegram bot.\n\nUse the buttons below to navigate my commands, or type <code>/help &lt;command&gt;</code> for details on a specific command.',
name, tools.escape_html(api.info.first_name)
)
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button('Commands', 'help:cmds:1')
:callback_data_button('Admin Help', 'help:acmds:1')
):row(
api.row():callback_data_button('Links', 'help:links')
:callback_data_button('Settings', 'help:settings')
)
return api.send_message(message.chat.id, output, 'html', true, false, nil, keyboard)
end
function plugin.on_callback_query(api, callback_query, message, ctx)
local tools = require('telegram-bot-lua.tools')
local loader = require('src.core.loader')
local data = callback_query.data
if data:match('^cmds:%d+$') then
local page = tonumber(data:match('^cmds:(%d+)$'))
local all_help = loader.get_help(nil)
-- Filter non-admin
local items = {}
for _, h in ipairs(all_help) do
if h.category ~= 'admin' then
table.insert(items, h)
end
end
local page_items, total_pages = get_page(items, page)
if page < 1 then page = total_pages end
if page > total_pages then page = 1 end
page_items, total_pages = get_page(items, page)
local output = format_help_list(page_items)
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button('<', 'help:cmds:' .. (page - 1))
:callback_data_button(page .. '/' .. total_pages, 'help:noop')
:callback_data_button('>', 'help:cmds:' .. (page + 1))
):row(
api.row():callback_data_button('Back', 'help:back')
)
return api.edit_message_text(message.chat.id, message.message_id, output, 'html', true, keyboard)
elseif data:match('^acmds:%d+$') then
local page = tonumber(data:match('^acmds:(%d+)$'))
local items = loader.get_help('admin')
local page_items, total_pages = get_page(items, page)
if page < 1 then page = total_pages end
if page > total_pages then page = 1 end
page_items, total_pages = get_page(items, page)
local output = format_help_list(page_items)
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button('<', 'help:acmds:' .. (page - 1))
:callback_data_button(page .. '/' .. total_pages, 'help:noop')
:callback_data_button('>', 'help:acmds:' .. (page + 1))
):row(
api.row():callback_data_button('Back', 'help:back')
)
return api.edit_message_text(message.chat.id, message.message_id, output, 'html', true, keyboard)
elseif data == 'links' then
local keyboard = api.inline_keyboard():row(
api.row():url_button('Development', 'https://t.me/mattataDev')
:url_button('Channel', 'https://t.me/mattata')
):row(
api.row():url_button('GitHub', 'https://github.com/wrxck/mattata')
:url_button('Support', 'https://t.me/mattataSupport')
):row(
api.row():callback_data_button('Back', 'help:back')
)
return api.edit_message_text(message.chat.id, message.message_id, 'Useful links:', nil, true, keyboard)
elseif data == 'settings' then
local permissions = require('src.core.permissions')
if message.chat.type == 'supergroup' and not permissions.is_group_admin(api, message.chat.id, callback_query.from.id) then
return api.answer_callback_query(callback_query.id, 'You need to be an admin to change settings.')
end
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button('Administration', 'administration:' .. message.chat.id .. ':page:1')
:callback_data_button('Plugins', 'plugins:' .. message.chat.id .. ':page:1')
):row(
api.row():callback_data_button('Back', 'help:back')
)
return api.edit_message_reply_markup(message.chat.id, message.message_id, nil, keyboard)
elseif data == 'back' then
local name = tools.escape_html(callback_query.from.first_name)
local output = string.format(
'Hey %s! I\'m <b>%s</b>, a feature-rich Telegram bot.\n\nUse the buttons below to navigate my commands, or type <code>/help &lt;command&gt;</code> for details on a specific command.',
name, tools.escape_html(api.info.first_name)
)
local keyboard = api.inline_keyboard():row(
api.row():callback_data_button('Commands', 'help:cmds:1')
:callback_data_button('Admin Help', 'help:acmds:1')
):row(
api.row():callback_data_button('Links', 'help:links')
:callback_data_button('Settings', 'help:settings')
)
return api.edit_message_text(message.chat.id, message.message_id, output, 'html', true, keyboard)
elseif data == 'noop' then
return api.answer_callback_query(callback_query.id)
end
end
return plugin

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